Quick Link
https://github.com/webbertakken/rigacar
Pricing
free
FIX for Blender 4+
The official development seems to have become stale but you can download and official fix for Blender 4 here:
https://github.com/digicreatures/rigacar/issues/125
There is also a fork that is compatible with Blender 4
https://github.com/webbertakken/rigacar
Original addon for up to Blender 3.6
The official addon is still available in this repository:
https://github.com/digicreatures/rigacar
Additional Info and Tutorials (official site)
digicreatures - Rigacar
a Blender add-on to rig... a car
digicreatures.net
Tutorial by Sost cgTeCH
Rigging a truck tutorial
How to Rig and Animate a Semi-Trailer Truck in Blender | Gachoki Studios
In this tutorial, you will learn how to rig and animate a Semi-Trailer Truck in 8 minutes using Blender 2.83.
gachoki.com